Dilaton thin-shell wormholes supported by a generalized Chaplygin gas
Cecilia Bejarano, Ernesto F. Eiroa
TL;DR
This paper constructs charged dilaton gravity wormholes supported by generalized Chaplygin gas and analyzes their stability, finding that stronger dilaton-electromagnetic coupling narrows the stability range.
Contribution
It introduces a new model of charged thin-shell wormholes in dilaton gravity with generalized Chaplygin gas and studies their stability properties.
Findings
Increased dilaton-electromagnetic coupling decreases stable parameter range.
Stable wormholes exist under specific coupling and matter conditions.
The exotic matter is modeled by a generalized Chaplygin gas.
Abstract
In this article, we construct spherical thin-shell wormholes with charge in dilaton gravity. The exotic matter required for the construction is provided by a generalized Chaplygin gas. We study the stability under perturbations preserving the symmetry. We find that the increase of the coupling between the dilaton and the electromagnetic fields reduces the range of the parameters for which stable configurations are possible.
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